2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/27148Microscopic mechanism of forming the spin liquid of neutral fermions in Kondo lattices with nearly integer valence of the f-electrons in presented. It is shown that the competition between the Kondo scattering and the indirect exchange interaction can result in stabilization of a state with separated spin and charge excitations with a Fermi-type spectrum for both of them. The origin of strong antiferromagnetic fluctuations is briefly discussed.7 pages, 2 figures for Laser printer in binary format compressed by "lharc.com" and uuencoded, LaTeX 3.0. Submitted to JETP LettersCondensed Mattertext